html,
body,
#root,
.layout-box {
    width: 100%;
    height: 100%;
}

* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    list-style: none;
    text-decoration: none;
}

.home-box {
    width: 100%;
    height: 100%;
    display: flex;
}

.menu-box {
    width: 300px;
    height: 100%;
    border-right: 1px solid #ccc;
}

.body {
    flex: 1;
}

.header-box {
    height: 80px;
    border-bottom: 1px solid #ccc;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 0 20px;
}

.list-item {
    width: 100%;
    min-height: 100px;
    padding: 15px;
    border-bottom: 1px solid #ccc;
}